Arc Raiders Ruins and Reverberations guide and walkthrough
The Arc Raiders Ruins and Reverberations quest follows up on all the messing around with antennas from the previous Wires Crossed mission, as now you have to go to Pendola Pass Observatory and set up a Spotter Relay on one last antenna. In actual fact that there's a few steps that evolve out from that point once you've started, and finding the Spotter Relay isn't the easiest thing in the world either, but I'll lay out everything you need to do for the Ruins and Reverberations quest in this full